<template>
  <div class="border border-br flex flex-col" :style="styles">
    <toolbar
      class="border-b border-br"
      :editor="editorRef"
      :defaultConfig="toolbarConfig"
      :mode="mode"
    />
    <w-editor
      class="overflow-y-auto flex-1"
      v-model="valueHtml"
      :defaultConfig="editorConfig"
      :mode="mode"
      @onCreated="handleCreated"
    />
    <material-picker
      ref="materialPickerRef"
      :type="fileType"
      :limit="-1"
      hidden-upload
      @change="selectChange"
    />
  </div>
</template>
<script setup lang="ts">
import "@wangeditor/editor/dist/css/style.css"; // 引入 css
import { Editor as WEditor, Toolbar } from "@wangeditor/editor-for-vue";
import type { IEditorConfig, IToolbarConfig } from "@wangeditor/editor";
import MaterialPicker from "@/components/material/picker.vue";
import { addUnit } from "@/utils/util";
import type { CSSProperties } from "vue";

const props = withDefaults(
  defineProps<{
    modelValue?: string;
    mode?: "default" | "simple";
    height?: string | number;
    width?: string | number;
    toolbarConfig?: Partial<IToolbarConfig>;
  }>(),
  {
    modelValue: "",
    mode: "default",
    height: "100%",
    width: "auto",
    toolbarConfig: () => ({}),
  }
);

const emit = defineEmits<{
  (event: "update:modelValue", value: string): void;
}>();

// 编辑器实例，必须用 shallowRef
const editorRef = shallowRef();
const materialPickerRef = shallowRef<InstanceType<typeof MaterialPicker>>();
const fileType = ref("");

let insertFn: any;

const editorConfig: Partial<IEditorConfig> = {
  MENU_CONF: {
    uploadImage: {
      customBrowseAndUpload(insert: any) {
        fileType.value = "image";
        materialPickerRef.value?.showPopup(-1);
        insertFn = insert;
      },
    },
    uploadVideo: {
      customBrowseAndUpload(insert: any) {
        fileType.value = "video";
        materialPickerRef.value?.showPopup(-1);
        insertFn = insert;
      },
    },
  },
};

const styles = computed<CSSProperties>(() => ({
  height: addUnit(props.height),
  width: addUnit(props.width),
}));
const valueHtml = computed({
  get() {
    return props.modelValue;
  },
  set(value) {
    emit("update:modelValue", value);
  },
});

const selectChange = (fileUrl: string[]) => {
  fileUrl.forEach((url) => {
    insertFn(url);
  });
};

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
  const editor = editorRef.value;
  if (editor == null) return;
  editor.destroy();
});

const handleCreated = (editor: any) => {
  editorRef.value = editor; // 记录 editor 实例，重要！
};
</script>

<style lang="scss">
.w-e-full-screen-container {
  z-index: 999;
}
.w-e-text-container [data-slate-editor] ul {
  list-style: disc;
}
.w-e-text-container [data-slate-editor] ol {
  list-style: decimal;
}
h1 {
  font-size: 2em;
}
h2 {
  font-size: 1.5em;
}
h3 {
  font-size: 1.17em;
}
h4 {
  font-size: 1em;
}
h5 {
  font-size: 0.83em;
}
h1,
h2,
h3,
h4,
h5 {
  font-weight: bold;
}
</style>
